Abstract
Abstract
Electron diffraction measurements were made on a series of binary solid solutions formed from n-C24H50 and n-C26H54. When the longer chain is most dilute, crystal structure analyses favor a mixed-chain packing arrangement, based on an average n-C25H52 layer, a model that can incorporate the chain-end conformational disorder measured by vibrational spectroscopy. Published x-ray data from a 3:1 binary combination can also be interpreted to support this model. The alternative view, requiring an all-trans chain with methyl groups from the longer chain component protruding into the lamellar interface, is neither consistent with the spectroscopic measurements nor with independent measurements of lamellar surface flatness.
Subject
Inorganic Chemistry,Condensed Matter Physics,General Materials Science
Cited by
11 articles.
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